/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2020-2024 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Application
    distortMesh

Description

\*---------------------------------------------------------------------------*/

#include "argList.H"
#include "fvMesh.H"
#include "randomGenerator.H"

using namespace Foam;

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

int main(int argc, char *argv[])
{
    #include "setRootCase.H"
    #include "createTime.H"
    #include "createMesh.H"

    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

    const pointField& points(mesh.points());
    pointField disp(points);

    const point boundExtend(0, 0, 1);
    const boundBox bounds
    (
        mesh.bounds().min() - boundExtend,
        mesh.bounds().max() + boundExtend
    );
    randomGenerator rndGen(0);
    const scalar s(0.04);

    forAll(points, i)
    {
        const point& pi(points[i]);

        if (bounds.containsInside(pi))
        {
            disp[i] += cmptMultiply(rndGen.sample01<vector>(),vector(s, s, 0));
        }
    }

    mesh.movePoints(disp);

    mesh.write();

    Info<< nl << "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
        << "  ClockTime = " << runTime.elapsedClockTime() << " s"
        << nl << endl;

    Info<< "End\n" << endl;

    return 0;
}


// ************************************************************************* //
